Simultaneous Nadir Overpasses (SNOs) between GOES-14 and NPP
TLE Epoch: 2019 3 21.  Predictions up to the next  14.0 days:

     Date     Time(GOES-14)   GOES-14 Lat/Lon  NPP Lat/Lon    Distance(km)  Time Diff(sec)
 03/22/2019   08:23:39   (   0.09,-104.41) (   0.24,-105.00)   68.09                80
 03/23/2019   08:07:34   (   0.09,-104.42) (  -0.76,-100.47)  449.44                80
 03/24/2019   20:29:29   (  -0.10,-104.30) (  -0.44,-105.76)  166.74                80
 03/25/2019   20:08:04   (  -0.10,-104.30) (   0.57,-101.23)  349.86                80
 03/27/2019   08:29:51   (   0.10,-104.42) (   0.57,-106.50)  237.21                80
 03/28/2019   08:13:45   (   0.10,-104.43) (  -0.44,-101.97)  280.44                80
 03/29/2019   20:35:41   (  -0.11,-104.33) (  -0.76,-107.26)  333.92                80
 03/30/2019   20:14:15   (  -0.11,-104.33) (   0.24,-102.73)  182.76                80
 04/01/2019   08:36:03   (   0.11,-104.44) (   0.89,-108.00)  405.90                80
 04/02/2019   08:19:57   (   0.12,-104.45) (  -0.12,-103.47)  111.98                80